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Afamelanotide

Afamelanotide is a synthetic 13-amino-acid analogue of alpha-MSH with norleucine at position 4 and D-phenylalanine at position 7, first reported in 1980 as a highly potent, long-acting melanotropin. It was developed clinically as a subcutaneous implant for erythropoietic protoporphyria.

Class
α-MSH analogue (melanocortin-1 receptor agonist)
Type
peptide, 13 residues
Also known as
Melanotan I, MT-1, [Nle4,D-Phe7]-α-MSH, NDP-α-MSH, CUV1647, Scenesse
Sequence
Ac-SYS-Nle-EH-(D-Phe)-RWGKPV-NH2
Molecular formula
C78H111N21O19
Molecular weight
1646.85 g/mol
CAS number
75921-69-6
PubChem CID
16154396
First described
1980: Sawyer TK, et al. 4-Norleucine, 7-D-phenylalanine-α-melanocyte-stimulating hormone: a highly potent α-melanotropin with ultralong biological activity. PNAS 77(10):5754–5758.

Regulatory status

Authorised in the EU on 22 December 2014 (Scenesse, under exceptional circumstances) and approved by the FDA in 2019, both for adults with erythropoietic protoporphyria.

SHLabz batch results

No SHLabz batch of Afamelanotide has a published report yet. Each batch is tested by an independent laboratory, and the report for a batch is available on request through the contact page.

Where SHLabz supplies it

Melanotan 1 (MT-1). For laboratory research use only.

Sources

How to cite this sheet

SHLabz (2026). Afamelanotide: compound reference sheet. SHLabz Compound Library. https://shlabz.ae/compounds/melanotan-1-mt-1/

This sheet describes a molecule and the published research on it. It is not advice about use, and SHLabz products are not for human or veterinary use.

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